BR7402775D0 - Processo e dispositivo de obtencao do codigo ciclico de uma mensagem binaria - Google Patents

Processo e dispositivo de obtencao do codigo ciclico de uma mensagem binaria

Info

Publication number
BR7402775D0
BR7402775D0 BR2775/74A BR277574A BR7402775D0 BR 7402775 D0 BR7402775 D0 BR 7402775D0 BR 2775/74 A BR2775/74 A BR 2775/74A BR 277574 A BR277574 A BR 277574A BR 7402775 D0 BR7402775 D0 BR 7402775D0
Authority
BR
Brazil
Prior art keywords
obtaining
binary message
cyclical code
cyclical
code
Prior art date
Application number
BR2775/74A
Other languages
English (en)
Portuguese (pt)
Inventor
J Finet
Original Assignee
Cii Honeywell Bull
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cii Honeywell Bull filed Critical Cii Honeywell Bull
Publication of BR7402775D0 publication Critical patent/BR7402775D0/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes

Landscapes

  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
  • Communication Control (AREA)
BR2775/74A 1973-04-13 1974-04-08 Processo e dispositivo de obtencao do codigo ciclico de uma mensagem binaria BR7402775D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7313501A FR2225890B1 (it) 1973-04-13 1973-04-13

Publications (1)

Publication Number Publication Date
BR7402775D0 true BR7402775D0 (pt) 1974-11-05

Family

ID=9117948

Family Applications (1)

Application Number Title Priority Date Filing Date
BR2775/74A BR7402775D0 (pt) 1973-04-13 1974-04-08 Processo e dispositivo de obtencao do codigo ciclico de uma mensagem binaria

Country Status (8)

Country Link
US (1) US3893078A (it)
JP (1) JPS5723471B2 (it)
BR (1) BR7402775D0 (it)
DE (1) DE2417932A1 (it)
ES (1) ES424914A1 (it)
FR (1) FR2225890B1 (it)
GB (1) GB1440165A (it)
IT (1) IT1014588B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974918A (it) * 1972-11-17 1974-07-19
JPS5832421B2 (ja) * 1976-09-10 1983-07-13 株式会社日立製作所 フイ−ドバツクシフトレジスタ
JPS5515685U (it) * 1978-07-18 1980-01-31
JPS55163621A (en) * 1979-06-08 1980-12-19 Hitachi Ltd Composite type magnetic head
US4525785A (en) * 1979-10-30 1985-06-25 Pitney Bowes Inc. Electronic postage meter having plural computing system
US4301507A (en) * 1979-10-30 1981-11-17 Pitney Bowes Inc. Electronic postage meter having plural computing systems
US4422148A (en) * 1979-10-30 1983-12-20 Pitney Bowes Inc. Electronic postage meter having plural computing systems
US4498187A (en) * 1979-10-30 1985-02-05 Pitney Bowes Inc. Electronic postage meter having plural computing systems
JPS58212614A (ja) * 1982-06-03 1983-12-10 Mitsubishi Electric Corp 複合形薄膜磁気ヘツド
JPS58212613A (ja) * 1982-06-03 1983-12-10 Mitsubishi Electric Corp 複合形薄膜磁気ヘツド
US4712215A (en) * 1985-12-02 1987-12-08 Advanced Micro Devices, Inc. CRC calculation machine for separate calculation of checkbits for the header packet and data packet
JPH02312004A (ja) * 1989-05-26 1990-12-27 Sharp Corp 磁気ヘツド
JPH03272224A (ja) * 1990-03-20 1991-12-03 Canon Inc 情報信号処理方法
US5428629A (en) * 1990-11-01 1995-06-27 Motorola, Inc. Error check code recomputation method time independent of message length
GB2322526A (en) * 1997-02-22 1998-08-26 The Technology Partnership Plc Encoding and decoding data
US6694476B1 (en) * 2000-06-02 2004-02-17 Vitesse Semiconductor Corporation Reed-solomon encoder and decoder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805232A (en) * 1972-01-24 1974-04-16 Honeywell Inf Systems Encoder/decoder for code words of variable length
US3821703A (en) * 1972-12-26 1974-06-28 Ibm Signal transferring

Also Published As

Publication number Publication date
US3893078A (en) 1975-07-01
JPS5723471B2 (it) 1982-05-19
DE2417932A1 (de) 1974-10-24
FR2225890B1 (it) 1976-09-10
IT1014588B (it) 1977-04-30
ES424914A1 (es) 1976-06-01
GB1440165A (en) 1976-06-23
JPS5028249A (it) 1975-03-22
FR2225890A1 (it) 1974-11-08

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